#define PERL_constant_NOTFOUND	1
#define PERL_constant_NOTDEF	2
#define PERL_constant_ISIV	3
#define PERL_constant_ISNO	4
#define PERL_constant_ISNV	5
#define PERL_constant_ISPV	6
#define PERL_constant_ISPVN	7
#define PERL_constant_ISSV	8
#define PERL_constant_ISUNDEF	9
#define PERL_constant_ISUV	10
#define PERL_constant_ISYES	11

#ifndef NVTYPE
typedef double NV; /* 5.6 and later define NVTYPE, and typedef NV to it.  */
#endif
#ifndef aTHX_
#define aTHX_ /* 5.6 or later define this for threading support.  */
#endif
#ifndef pTHX_
#define pTHX_ /* 5.6 or later define this for threading support.  */
#endif

static int
constant_7 (pTHX_ const char *name, IV *iv_return) {
  /* When generated this function returned values for the list of names given
     here.  However, subsequent manual editing may have added or removed some.
     E_ERROR E_FIGNA P_CONST P_FRASA */
  /* Offset 4 gives the best switch position.  */
  switch (name[4]) {
  case 'A':
    if (memEQ(name, "P_FRASA", 7)) {
    /*                   ^        */
#ifdef P_FRASA
      *iv_return = P_FRASA;
      return PERL_constant_ISIV;
#else
      return PERL_constant_NOTDEF;
#endif
    }
    break;
  case 'G':
    if (memEQ(name, "E_FIGNA", 7)) {
    /*                   ^        */
#ifdef E_FIGNA
      *iv_return = E_FIGNA;
      return PERL_constant_ISIV;
#else
      return PERL_constant_NOTDEF;
#endif
    }
    break;
  case 'N':
    if (memEQ(name, "P_CONST", 7)) {
    /*                   ^        */
#ifdef P_CONST
      *iv_return = P_CONST;
      return PERL_constant_ISIV;
#else
      return PERL_constant_NOTDEF;
#endif
    }
    break;
  case 'R':
    if (memEQ(name, "E_ERROR", 7)) {
    /*                   ^        */
#ifdef E_ERROR
      *iv_return = E_ERROR;
      return PERL_constant_ISIV;
#else
      return PERL_constant_NOTDEF;
#endif
    }
    break;
  }
  return PERL_constant_NOTFOUND;
}

static int
constant (pTHX_ const char *name, STRLEN len, IV *iv_return) {
  /* Initially switch on the length of the name.  */
  /* When generated this function returned values for the list of names given
     in this section of perl code.  Rather than manually editing these functions
     to add or remove constants, which would result in this comment and section
     of code becoming inaccurate, we recommend that you edit this section of
     code, and use it to regenerate a new set of constant functions which you
     then use to replace the originals.

     Regenerate these constant functions by feeding this entire source file to
     perl -x

#!/usr/bin/perl -w
use ExtUtils::Constant qw (constant_types C_constant XS_constant);

my $types = {map {($_, 1)} qw(IV)};
my @names = (qw(E_ERROR E_FIG E_FIGNA E_NO E_NULL E_OK P_CONST P_FRASA P_STRUCT
	       P_TAG_LEFT P_TAG_RIGHT P_VERB P_VERBATIM));

print constant_types(); # macro defs
foreach (C_constant ("Prawda", 'constant', 'IV', $types, undef, 3, @names) ) {
    print $_, "\n"; # C constant subs
}
print "#### XS Section:\n";
print XS_constant ("Prawda", $types);
__END__
   */

  switch (len) {
  case 4:
    /* Names all of length 4.  */
    /* E_NO E_OK */
    /* Offset 2 gives the best switch position.  */
    switch (name[2]) {
    case 'N':
      if (memEQ(name, "E_NO", 4)) {
      /*                 ^       */
#ifdef E_NO
        *iv_return = E_NO;
        return PERL_constant_ISIV;
#else
        return PERL_constant_NOTDEF;
#endif
      }
      break;
    case 'O':
      if (memEQ(name, "E_OK", 4)) {
      /*                 ^       */
#ifdef E_OK
        *iv_return = E_OK;
        return PERL_constant_ISIV;
#else
        return PERL_constant_NOTDEF;
#endif
      }
      break;
    }
    break;
  case 5:
    if (memEQ(name, "E_FIG", 5)) {
#ifdef E_FIG
      *iv_return = E_FIG;
      return PERL_constant_ISIV;
#else
      return PERL_constant_NOTDEF;
#endif
    }
    break;
  case 6:
    /* Names all of length 6.  */
    /* E_NULL P_VERB */
    /* Offset 4 gives the best switch position.  */
    switch (name[4]) {
    case 'L':
      if (memEQ(name, "E_NULL", 6)) {
      /*                   ^       */
#ifdef E_NULL
        *iv_return = E_NULL;
        return PERL_constant_ISIV;
#else
        return PERL_constant_NOTDEF;
#endif
      }
      break;
    case 'R':
      if (memEQ(name, "P_VERB", 6)) {
      /*                   ^       */
#ifdef P_VERB
        *iv_return = P_VERB;
        return PERL_constant_ISIV;
#else
        return PERL_constant_NOTDEF;
#endif
      }
      break;
    }
    break;
  case 7:
    return constant_7 (aTHX_ name, iv_return);
    break;
  case 8:
    if (memEQ(name, "P_STRUCT", 8)) {
#ifdef P_STRUCT
      *iv_return = P_STRUCT;
      return PERL_constant_ISIV;
#else
      return PERL_constant_NOTDEF;
#endif
    }
    break;
  case 10:
    /* Names all of length 10.  */
    /* P_TAG_LEFT P_VERBATIM */
    /* Offset 2 gives the best switch position.  */
    switch (name[2]) {
    case 'T':
      if (memEQ(name, "P_TAG_LEFT", 10)) {
      /*                 ^              */
#ifdef P_TAG_LEFT
        *iv_return = P_TAG_LEFT;
        return PERL_constant_ISIV;
#else
        return PERL_constant_NOTDEF;
#endif
      }
      break;
    case 'V':
      if (memEQ(name, "P_VERBATIM", 10)) {
      /*                 ^              */
#ifdef P_VERBATIM
        *iv_return = P_VERBATIM;
        return PERL_constant_ISIV;
#else
        return PERL_constant_NOTDEF;
#endif
      }
      break;
    }
    break;
  case 11:
    if (memEQ(name, "P_TAG_RIGHT", 11)) {
#ifdef P_TAG_RIGHT
      *iv_return = P_TAG_RIGHT;
      return PERL_constant_ISIV;
#else
      return PERL_constant_NOTDEF;
#endif
    }
    break;
  }
  return PERL_constant_NOTFOUND;
}

